New

Test Engineer, Senior

Naval Nuclear Laboratory
parental leave, tuition assistance, 401(k)
United States, Pennsylvania, West Mifflin
814 Pittsburgh McKeesport Boulevard (Show on map)
Aug 13, 2026
About Us Working at the Naval Nuclear Laboratory we foster pride in belonging to an organization whose culture is made up of these core values: Trust, Empowerment, and Collaboration. Our company promotes a positive culture while ensuring the safety and reliability of our nation's naval nuclear reactors, and training the Sailors who operate those reactors in the U.S. Navy's submarines and aircraft carrier Fleets. Looking for a lifetime career? Apply today! Job Description The Naval Nuclear Laboratory (NNL) Training Simulator Testing (TST) unit is responsible for planning, developing, and executing test programs that ensure high?fidelity training simulators are safe, reliable, and effective tools for the Naval Nuclear Propulsion Program (NNPP). TST supports the S6G MTS 701/711 and S8G Prototype Simulation Suites used today at the Nuclear Power Training Unit - Charleston (NPTU?C) and Kesselring Site (KS), and is developing the S9G Simulation Suite that will be deployed as part of the Next Generation Training Program (NGTP) in the 2030s. TST's work directly supports initial operator training, qualification, and continued fleet readiness by delivering high?quality simulation products and robust test programs. In this role, you will help shape the next generation of nuclear operator training by leading and executing test programs, developing and reviewing technical procedures and test cases, and coordinating closely with software developers, hardware engineers, and Navy stakeholders.You will work within a cross?site team that supports both lifecycle testing and new program development, with test activities spanning Bettis Laboratory Site (BLS), Kesselring Site (KS), and fleet training locations. This position offers the opportunity to contribute to high?impact technical work while mentoring others, improving test processes, and helping to define how future simulators are tested and delivered. Some travel required (10%). Key Responsibilities include: Support early?stage S9G development activities, including: Writing and reviewing test cases and manuals for new trainer capabilities. Helping to verify and validate models, graphics, and control behaviors against plant requirements. Collaborate across disciplines and organizations, working with: Software and model development teams to clarify requirements, identify issues, and iterate on solutions. Hardware and integration teams to plan and execute testing of new trainer components (e.g., task trainers, peripheral equipment, or upgraded systems). Contribute to process and documentation improvements, such as: Implementing and refining lifecycle and automated testing instructions and local test procedures. Supporting updates to manuals, user guides, and knowledge management tools to ensure long?term sustainment of test knowledge. Required Combination of Knowledge and Skill Bachelors degree from an accredited college or university in a related technical, engineering or science field and a minimum of 6 years of relevant experience; or Masters degree from an accredited college or university in a related technical, engineering or science field and a minimum of 4 years of relevant experience; or Doctorate degree from an accredited college or university in a related technical, engineering or science field and a minimum of 1 year of relevant experience; or Currently a Senior Reactor Training Engineer, Refueling Engineer, or Field (RPCO) Engineer at the Company. Preferred Skills Degrees in Engineering or Engineering Technology are preferred. Experience with testing, simulation, or control systems, preferably in S9G Plant Operations or similarly complex technical environment. Familiarity with test program development, including writing test plans, test cases, and after?action reports. Ability to coordinate across multiple organizations and stakeholders, including software, hardware, operations, and customer representatives. Experience using or developing technical instructions, procedures, or process documentation. Demonstrated ability to manage multiple priorities, meet deadlines, and support schedule?driven work. Strong written and verbal communication skills, including the ability to lead or contribute to technical discussions and working sessions. Experience mentoring junior staff or supporting the development of new team members is a plus. Knowledge of project management concepts (e.g., integrated schedules, work planning, metrics) is beneficial. Compensation and Benefits Health, Dental, Vision & Voluntary Benefits Disability, Life & Accident Insurance 401(k) Savings program & Capital Accumulation Plan Personal & Medical Time Off Paid Parental Leave Flexible Work Schedules Tuition Assistance for Eligible Employees Student Debt Benefit Personal Time Off Sell Program Employee Assistance Program (EAP) Wellness Program Visit us online to view all NNL benefits! Pay Range $95,700.00 - $149,600.00 annually Salary information provided is a general guideline only. Annual salary is based upon candidate experience and qualifications, as well as market and business considerations. The Naval Nuclear Laboratory is operated for the U.S. Department of Energy (DOE) by Fluor Marine Propulsion, LLC (FMP), a wholly owned subsidiary of Fluor Corporation. Naval Nuclear Laboratory personnel are FMP employees who work at four DOE facilities: Bettis Atomic Power Laboratory, Knolls Atomic Power Laboratory, Kenneth A. Kesselring Site, and Naval Reactors Facility, and at the U.S. Department of Defense-owned Nuclear Power Training Unit-Charleston. FMP employees also have an established presence at numerous shipyards and vendor locations. For nearly 70 years, the Naval Nuclear Laboratory has developed advanced nuclear propulsion technology, provided technical support, and trained world-class nuclear operators to ensure the safe and reliable operation of our nation's submarine and aircraft carrier Fleets. The Naval Nuclear Laboratory is a national asset solely dedicated to the Naval Nuclear Propulsion Program. We rely on the dedication and innovation of our nearly 8000 engineers, scientists, technicians, and support personnel. All candidates must be U.S. citizens. Applicants selected will be subject to a Federal background investigation and must meet eligibility requirements for access to classified matter. FMP is a government contractor and maintains a drug free workplace and workforce. All candidates must be able to pass a drug test in compliance with FMP company policy and 10 CFR 707. Marijuana is a Federal Schedule I controlled substance and illegal under Federal Law. Therefore, FMP is required to test for marijuana. Fluor Marine Propulsion, LLC is an Equal Opportunity Employer, including disability/vets. All qualified applicants will receive consideration for employment without regard to race, color, age, sex, religion, national origin, disability, veteran status, genetic information, or any other criteria protected by federal, state, or local law. Apply Now